Document math functions

1 files changed, 0 insertions, 95 deletions

diff --git a/include/lib/math.h b/include/lib/math.h
deleted file mode 100644
index f3e0d3d6..00000000
--- a/include/lib/math.h
+++ /dev/null
@@ -1,95 +0,0 @@
-#pragma once
-
-#include "global.h"
-#include "types.h"
-
-// Q20.12 fixed point number
-typedef s32 q20;
-// Q4.12 fixed point number
-typedef s16 q4;
-
-#define INT_TO_Q20(n) ((s32) ((n) << 12))
-#define FLOAT_TO_Q21(n) ((s32) (((n) * 8192 + 1) / 4))
-#define FLOAT_TO_Q20(n) ((s32) (((n) * 8192 + 1) / 2))
-#define FLOAT_TO_Q19(n) ((s32) (((n) * 8192 + 1)))
-#define ROUND_Q20(n) (((s32) (n) + 0x800) >> 12)
-#define MUL_Q20(a, b) (q20)((((s64) (a)) * ((s64) (b)) + 0x800) >> 12)
-
-#define DEG_TO_ANG(n) ((n) * 0x10000 / 360)
-#define SIN(n) (gSinCosTable[2 * ((n) >> 4)])
-#define COS(n) (gSinCosTable[2 * ((n) >> 4) + 1])
-
-extern "C" s32 Atan2(s32 x, s32 y);
-extern q4 gSinCosTable[];
-
-typedef struct {
-    /* 0 */ s8 x;
-    /* 1 */ s8 y;
-    /* 2 */
-} Vec2b;
-
-typedef struct {
-    /* 0 */ s16 x;
-    /* 1 */ s16 y;
-    /* 2 */
-} Vec2s;
-
-typedef struct {
-    /* 0 */ q20 x;
-    /* 4 */ q20 y;
-    /* 8 */ q20 z;
-    /* c */
-} Vec3p;
-
-extern const Vec3p gVec3p_ZERO;
-
-extern "C" void Vec3p_Add(Vec3p *a, Vec3p *b, Vec3p *out);
-extern "C" void Vec3p_Sub(Vec3p *a, Vec3p *b, Vec3p *out);
-extern "C" q20 Vec3p_Dot(Vec3p *a, Vec3p *b);
-extern "C" void Vec3p_Cross(Vec3p *a, Vec3p *b, Vec3p *out);
-extern "C" q20 Vec3p_Length(Vec3p *a);
-extern "C" void Vec3p_Normalize(Vec3p *vec, Vec3p *out);
-extern "C" void Vec3p_Axpy(q20 a, Vec3p *x, Vec3p *y, Vec3p *out);
-extern "C" q20 Vec3p_Distance(Vec3p *a, Vec3p *b);
-
-inline void Vec3p_Rotate(Vec3p *vec, q20 sin, q20 cos, Vec3p *out) {
-    out->x += MUL_Q20(vec->z, sin);
-    out->z += MUL_Q20(vec->z, cos);
-    out->x += MUL_Q20(vec->x, cos);
-    out->z += MUL_Q20(vec->x, -sin);
-}
-
-inline void Vec3p_CopyXZ(Vec3p *vec, Vec3p *out) {
-    q20 z = vec->z;
-    q20 x = vec->x;
-
-    out->x = x;
-    out->y = 0;
-    out->z = z;
-}
-
-inline void Vec3p_Copy(Vec3p *vec, Vec3p *out) {
-    out->x = vec->x;
-    out->y = vec->y;
-    out->z = vec->z;
-}
-
-typedef struct {
-    /* 00 */ q20 x;
-    /* 04 */ q20 y;
-    /* 08 */ q20 z;
-    /* 0c */ q20 w;
-    /* 10 */
-} Vec4p;
-
-typedef struct {
-    /* 00 */ Vec3p xColumn;
-    /* 0c */ Vec3p yColumn;
-    /* 18 */ Vec3p zColumn;
-    /* 24 */
-} Mat3p;
-
-extern "C" u32 SoftDivide(u32 a, u32 b);
-extern "C" u32 Divide(u32 a, u32 b);
-extern "C" bool Approach(unk32 *src, unk32 dest, unk32 step);
-extern "C" bool Approach_thunk(unk32 *src, unk32 dest, unk32 step);